Hear-Heal / electric appliance

To end up the problem of the sense of hearing suffered from noise due to this crowded environment.“Hear-Heal”can receive noise and deal with it by separate into two kinds of frequency.One is“steady frequency,”means the voice such as traffic,chatting,machine working…those environment noise we don’t like. Another is ”unexpectedly frequency,”means suddenly talking or emergency calling,such high frequency voice we need.Then“Hear-Heal”can counteract the steady frequency but keep unexpectedly frequency by send out
particular opposite frequency.Just paste on the body then to be in a quiet, private, invisible zone to let ears and mind take a break.